2018 in arthropod paleontology
From Wikipedia the free encyclopedia
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This list of fossil arthropods described in 2018 is a list of new taxa of trilobites, fossil insects, crustaceans, arachnids, and other fossil arthropods of every kind that were described during the year 2018, as well as other significant discoveries, and events related to arthropod paleontology that are scheduled to occur in the year 2018.
General research
[edit]- A study on extant arthropods (mainly insects and spiders) living around the resinous tree Hymenaea verrucosa in the lowland coastal forest of Madagascar and trapped by the resin produced by this tree species, and on their implications for inferring whether amber records the true past biodiversity of the entire forest, is published by Solórzano Kraemer et al. (2018).[1]
- A study on the early evolution of stem and crown-arthropods as indicated by Ediacaran and Cambrian body and trace fossils is published by Daley et al. (2018).[2]
- A study on the evolution of ecdysozoan vision, focusing on the evolution of arthropod multi-opsin vision, as indicated by molecular data and data from fossil record, is published by Fleming et al. (2018).[3]
- Grimaldi et al. (2018) report biological inclusions (fungi, plants, arachnids and insects) in amber from the Paleogene Chickaloon Formation of Alaska, representing the northernmost deposit of fossiliferous amber from the Cenozoic.[4]
- A mantis lacewing larva found in association with two spiders, attached to one of the anterior walking legs of one of the spiders, is described from the Cretaceous amber from Myanmar by Haug, Müller & Haug (2018), who interpret this finding as evidence of palaeo-parasitism.[5]
Arachnids
[edit]Research
[edit]- Review of arachnids known from the Bitterfeld amber (Germany) and a study on their implications for inferring the age of this deposit is published by Dunlop et al. (2018).[6]
- The first fossil representative of the parasitic mite family Pterygosomatidae, assigned to the genus Pimeliaphilus and similar in morphology to the extant species parasitic on cockroaches, is described from the Cretaceous (Albian) Archingeay amber (France) by Sidorchuk & Khaustov (2018).[7]
- Fossil mite "Sejus" bdelloides, originally interpret as a member of Mesostigmata, is reinterpreted as a member of Prostigmata referrable to the group Anystina by Dunlop, Walter & Kontschán (2018).[8]
- A study on the body size of fossil mites is published by Sidorchuk (2018).[9]
- A hard tick wrapped in spider silk is described from the Cretaceous Myanmar amber by Dunlop et al. (2018).[10]
- A male specimen of a tick belonging to the genus Ornithodoros and the subgenus (Alectorobius) is described from the Dominican amber by Estrada-Peña & de la Fuente (2018),[11] who also provide illustrated interpretations intended to support the validity of the identity of the fossils reported by de la Fuente (2003).[12]
- A pseudoscorpion attached to barbules of a contour feather, possibly documenting a phoretic association between pseudoscorpions and Mesozoic birds, is described from the Cretaceous amber from Myanmar by Xing, McKellar & Gao (2018).[13]
- A study on the phylogenetic history of spiders, based on molecular data and re-examination of the global fossil record, as well as on the ancestral predatory strategies among different groups of spiders and some of the possible drivers of spider diversification during the Early Cretaceous greenhouse, is published by Shao & Li (2018).[14]
- A study on the burrows produced by wolf spiders belonging to the genus Pavocosa, aiming to identify ichnological signatures which may facilitate identification of wolf spider burrows in the fossil record, is published by Mendoza Belmontes, Melchor & Piacentini (2018).[15]
- Fossil crevice weaver Misionella didicostae from Dominican amber is transferred to the genus Antilloides by Magalhaes (2018).[16]
- Evidence of a fossilized cobweb, and a possible case of predation of a theridiid spider on a dolichopodid fly, are reported from the Mexican amber by García-Villafuerte (2018).[17]
New taxa
[edit]| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the family Zarqaraneidae. The type species is A. gracilipes. | |||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Deinopoidea and the new family Alteruloboridae. The type species is A. araneoides. | |||||
| Gen. et sp. nov | Valid | Konikiewicz & Mąkol | A mite belonging to the family Erythraeidae. Genus includes new species B. pankowskii. | |||||
| Gen. et sp. nov | Valid | Konikiewicz & Mąkol | A mite belonging to the family Smarididae. Genus includes new species B. maryae. | |||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the family Zarqaraneidae. The type species is B. amputatus. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the family Burmascutidae. | |||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the family Uloboridae. The type species is B. bulla. | |||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the family Theridiidae. The type species is B. sinespinae. | |||||
| Gen. et sp. nov | Valid | Konikiewicz & Mąkol | A mite belonging to the family Erythraeidae. Genus includes new species B. joergwunderlichi. | |||||
| Sp. nov | Valid | Lourenço | A scorpion belonging to the family Chaerilobuthidae. | |||||
| Gen. et sp. nov | Valid | Wang et al. | An arachnid closely related to spiders and to the extinct group Uraraneida. Genus includes new species C. yingi. |  | ||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the family Zarqaraneidae. The type species is C. annulipedes. | |||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the family Zarqaraneidae. The type species is C. scutatus. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the family Zarqaraneidae. | |||||
| Gen. et sp. nov | Valid | Lourenço | A scorpion belonging to the family Protoischnuridae. Genus includes new species C. knodeli. | |||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Cretamysmenidae. The type species is C. fontana. | |||||
| Sp. nov | Valid | Mąkol, Konikiewicz & Klug | Europe | A mite belonging to the group Prostigmata and to the family Tanaupodidae. | ||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider of uncertain phylogenetic placement, originally assigned to the family Uloboridae, but subsequently reinterpreted as a member of an early branch of the RTA clade.[25] The type species is E. reliquus. | |||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Deinopoidea and the new family Frateruloboridae. The type species is F. bulbosus. | |||||
| Sp. nov | Valid | García-Villafuerte | A jumping spider, a species of Galianora | |||||
| Sp. nov | Valid | Chitimia-Dobler, Pfeffer & Dunlop | A tick, a species of Haemaphysalis. | |||||
| Gen. et sp. nov | Valid | Dunlop, Frahnert & Mąkol | A mite belonging to the family Smarididae. The type species is I. chewbaccei. |  | ||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the family Uloboridae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the new family Leviunguidae. | |||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the family Zarqaraneidae. The type species is M. annulatus. | |||||
| Gen. et sp. nov | Valid | Lourenço | A member of Thelyphonida belonging to the family Thelyphonidae. Genus includes new species M. knodeli. | |||||
| Sp. nov | Valid | Konikiewicz & Mąkol | A mite belonging to the family Trombellidae. | |||||
| Sp. nov | Valid | Marusik, Perkovsky & Eskov | Middle Eocene | Sakhalinian amber | A species of Orchestina. | |||
| Sp. nov | Valid | Lourenço | A scorpion belonging to the family Palaeoburmesebuthidae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider, originally assigned to the family Leptonetidae, subsequently considered to be a member of Araneomorphae of uncertain affinities by Magalhaes et al..[32] | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider, originally assigned to the family Leptonetidae, subsequently considered to be a member of Araneomorphae of uncertain affinities by Magalhaes et al..[32] | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the family Uloboridae. | |||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the family Pholcochyroceridae. The type species is P. incompletus. | |||||
| Gen. et 3 sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the family Zarqaraneidae. The type species is P. curvata; genus also includes P. fortis and P. paulocurvata. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the family Pholcochyroceridae. | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the family Pholcochyroceridae. | |||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the family Uloboridae. The type species is P. longisoma. | |||||
| Gen. et 3 sp. nov | Wunderlich in Wunderlich & Müller | A spider belonging to the group Leptonetoidea and the new family Protoaraneoididae. The type species is P. bifurcatum; genus also includes P. bipartitum and P. leni. The spelling Praeteraneoides is also used in the publication naming the new genus. | ||||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Leptonetoidea and the new family Protoaraneoididae. The type species is P. cribellatum. | |||||
| Gen. et sp. nov | Valid | Mąkol, Konikiewicz & Klug | Europe | A mite belonging to the group Prostigmata and to the family Tanaupodidae. Genus includes new species P. wohltmanni. | ||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Leptonetoidea and the new family Protoaraneoididae. The type species is P. longispina. | |||||
| Gen. et sp. nov | Valid | Sidorchuk & Bochkov in Sidorchuk et al. | Baltic amber | A mite belonging to the family Myobiidae. Genus includes new species P. erinaceophilus. | ||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the family Zarqaraneidae. The type species is P. rarus. | |||||
| Gen. et sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the family Zarqaraneidae. The type species is R. pauxillus. | |||||
| Gen. et sp. et comb. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Araneoidea and to the family Zarqaraneidae. The type species is S. curvimetatarsus; genus also includes "Hypotheridiosoma" falcata Wunderlich (2015). | |||||
| Sp. nov | Valid | Wunderlich in Wunderlich & Müller | A spider belonging to the group Leptonetoidea and the new family Protoaraneoididae. | |||||
| Sp. nov | Valid | Sidorchuk & Khaustov | Europe (Baltic Sea coast) | A peacock mite. | ||||
| Gen. et sp. nov | Valid | Harvey et al. | A pseudoscorpion belonging to the family Chthoniidae. Genus includes new species W. plausus. | |||||
| Gen. et comb. nov | Valid | Dunlop | Late Carboniferous | British Middle Coal Measures | A whip spider belonging to the group Paleoamblypygi and the new family Weygoldtinidae. The type species is "Graeophonus" scudderi Pocock (1911); genus also includes "Graeophonus" anglicus Pocock (1911). |  |
Crustaceans
[edit]Research
[edit]- Redescription of the Ordovician malacostracan Wuningia multisegmenlata is published by Lin (2018).[37]
- A member of the erymid genus Enoploclytia is described from the Oxfordian deposits of Cricquebœuf (Normandy, France) by Devillez, Charbonnier & Pezy (2018), representing the first Jurassic occurrence of the genus reported so far.[38]
- Redescription of Palaeopalaemon newberryi and a study on the phylogenetic relationships and life habits of this species is published by Jones et al. (2018).[39]
- Description of the morphology of Tetrachela raiblana and a study on its implication for understanding of the homologies of carapace grooves between polychelidans and other decapods is published by Audo, Hyžný & Charbonnier (2018).[40]
- A large-sized (12.9 mm maximum length) right valve of a marine ostracod is described from the Cretaceous amber from Myanmar by Xing et al. (2018).[41]
- A study evaluating how sexual selection related to species extinction in fossil cytheroid ostracods is published by Fernandes Martins et al. (2018), who report that species with more pronounced sexual dimorphism had higher estimated extinction rates.[42]
- An ostracod fauna including four species belonging to the suborder Darwinulocopina is described from the Lower Jurassic (Hettangian) Whitmore Point Member of the Moenave Formation (Arizona and Utah, United States) by Antonietto et al. (2018), potentially representing the last episode of darwinulocopine dominance in nonmarine environments before the Late Jurassic diversification of the cypridocopine and cytherocopine modern ostracods.[43]
- Oxygen-isotope analysis of a whale barnacle specimen collected from early Pleistocene deposits of Apulia (Italy) is published by Collareta et al. (2018), who interpret their findings as indicating that the barnacle lived on a cetacean that seasonally migrated towards high-latitude areas outside the Mediterranean.[44]
New taxa
[edit]Malacostracans
[edit]| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Sp. nov | Valid | Schweitzer et al. | A crab belonging to the family Longodromitidae. | |||||
| Sp. nov | Valid | Ossó | Miocene (Serravallian to Messinian) | A species of Aethra. | ||||
| Gen. et sp. nov | Valid | Garassino & Pasini | A member of Astacidea of uncertain phylogenetic placement, assigned to the new family Amazighopsidae. The type species is A. cretacica. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A hermit crab belonging to the family Paguridae. | |||||
| Gen. et 2 sp. nov | Valid | Broly in Broly, Serrano-Sánchez & Vega | Early Miocene | A woodlouse belonging to the family Stenoniscidae. The type species is A. robustus; genus also includes A. mexicanus. | ||||
| Sp. nov | Valid | Broly in Broly, Serrano-Sánchez & Vega | Early Miocene | A woodlouse, a species of Armadilloniscus. | ||||
| Sp. nov | Valid | Karasawa | Korematsu Formation | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A member of the family Axianassidae. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A member of the family Callianassidae. | |||||
| Gen. et sp. nov | Valid | De Angeli | A crab belonging to the family Macropipidae. The type species is B. alontensis. | |||||
| Sp. nov | Valid | Winkler | A caridean shrimp. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab belonging to the family Carpiliidae. | |||||
| Gen. et sp. nov | Valid | Nyborg, Pasini & Garassino | A crab belonging to the family Leucosiidae. Genus includes new species C. hendyi. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A member of the family Callianassidae. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A species of Callichirus. | |||||
| Gen. et sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab, a member of the family Calappidae. The type species is C. lineamenta. | |||||
| Sp. nov | Valid | Hyžný et al. | A crab belonging to the group Palaeocorystoidea. | |||||
| Sp. nov | Valid | Poschmann, Bergmann & Kühl | Early Devonian | |||||
| Sp. nov | Valid | Maguire in Maguire et al. | ||||||
| Sp. nov | Valid | Robin et al. | An isopod, a species of Cirolana found in association with electric rays belonging to the genus Titanonarke. | |||||
| Gen. et sp. nov | Valid | Frantescu et al. | A hermit crab belonging to the family Schobertellidae. Genus includes new species D. minusculus. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | Late Eocene | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | ||||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab, a member of Grapsoidea of uncertain phylogenetic placement. | |||||
| Sp. nov | Valid | Fraaije et al. | A species of Dinochelus. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A hermit crab belonging to the family Diogenidae, a species of Diogenes. | |||||
| Subgen. et sp. nov | Valid | Heard in Heard, de Lourdes Serrano-Sánchez & Vega | Early Miocene | A member of Tanaidacea belonging to the group Apseudomorpha. The subgenus includes new species D. chiapasensis. | ||||
| Sp. nov | Valid | Artal & van Bakel | Eocene (Ypresian) | A crab belonging to the family Carpiliidae. | ||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | ||||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A member of the family Callianassidae. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A member of the family Callianassidae. | |||||
| Gen. et sp. nov | Valid | Prado & Luque in Prado et al. | Early Cretaceous (late Aptian–early Albian) | A crab belonging to the group Raninoida and the family Orithopsidae. The type species is E. gonzagai. | ||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A species of Galathea. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab, a member of Dromiacea of uncertain phylogenetic placement. | |||||
| Sp. nov | Valid | Artal & van Bakel | Eocene (Ypresian) | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | ||||||
| Sp. nov | Valid | Tshudy et al. | Mány Formation | A species of Homarus. | ||||
| Sp. nov | Valid | Fraaije et al. | ||||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab belonging to the family Epialtidae, a species of Hyastenus. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab, a species of Hypothalassia. | |||||
| Gen. et sp. nov | Valid | Vega in Vega et al. | A member crab related to Icriocarcinus. Genus includes new species I. tzutzu. | |||||
| Gen. et sp. nov | Valid | Artal & van Bakel | Eocene (Ypresian) | A crab belonging to the family Aethridae. Genus includes new species I. guardiae. | ||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab belonging to the family Inachidae, a species of Inachus. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab belonging to the family Dynomenidae. | |||||
| Gen. et sp. nov | Valid | Yang et al. | Late Carboniferous | A relative of Tealliocaris. The type species is L. xiaheyanensis. | ||||
| Gen. et sp. nov | Valid | Ceccon & De Angeli | A crab belonging to the family Epialtidae. Genus includes new species L. bolcense. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A hermit crab belonging to the family Xylopaguridae. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A hermit crab belonging to the family Diogenidae. | |||||
| Sp. nov | Valid | Schweitzer et al. | A crab belonging to the family Longodromitidae. | |||||
| Sp. nov | Valid | Feldmann, Schweitzer & Goedert | A crab belonging to the family Carcinidae. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab belonging to the family Parthenopidae. | |||||
| Sp. nov | Valid | Winkler | A caridean shrimp. | |||||
| Gen. et sp. nov | Valid | Beschin & Checchi | A crab belonging to the family Carcinidae. The type species is O. trevisani. | |||||
| Gen. et sp. nov | Valid | Artal & van Bakel | Eocene (Ypresian) | A crab belonging to the family Carpiliidae. Genus includes new species O. rotundus. | ||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A porcelain crab, a species of Pachycheles. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A porcelain crab, a species of Pachycheles. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A porcelain crab, a species of Pachycheles. | |||||
| Sp. nov | Valid | Karasawa & Fudouji | Early Oligocene | Sari Sandstone Member of the Kishima Group | A species of Paguristes. | |||
| Sp. nov | Valid | Karasawa & Fudouji | Early Oligocene | Sari Sandstone Member of the Kishima Group | A species of Paguristes. | |||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A species of Paguristes. | |||||
| Sp. nov | Valid | Pasini & Garassino | A species of Palaemon. | |||||
| Gen. et sp. nov | Valid | An isopod belonging to the family Armadillidae. Genus includes new species P. microsoma. | ||||||
| Gen. et sp. nov | Valid | Broly in Broly, Serrano-Sánchez & Vega | Early Miocene | A woodlouse belonging to the family Olibrinidae. The type species is P. spinicornis. | ||||
| Gen. et 2 sp. nov | Valid | Broly in Broly, Serrano-Sánchez & Vega | Early Miocene | A woodlouse. The type species is P. mazanticus; genus also includes P. rotundus. | ||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | ||||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab belonging to the family Panopeidae, a species of Panopeus. | |||||
| Sp. nov | Valid | Frantescu et al. | A lobster. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A porcelain crab, a species of Petrolisthes. | |||||
| Gen. et comb. nov | Valid | Schweitzer et al. | A crab belonging to the family Longodromitidae. The type species is "Planoprosopon" thiedeae Schweigert & Koppka (2011). | |||||
| Sp. nov | Valid | Ossó et al. | Margas de Forcall Formation | A crab. | ||||
| Gen. et sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab, a member of the family Aethridae. The type species is P. zorzini. | |||||
| Sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A porcelain crab, a species of Porcellana. | |||||
| Gen. et sp. nov | Valid | Vega et al. | Cerro del Pueblo Formation | A crab belonging to the family Mathildellidae. Genus includes new species P. cretacica. | ||||
| Gen. et sp. nov | Valid | Alencar et al. | A member of Dendrobranchiata belonging to the family Solenoceridae. Genus includes new species P. feitosai. | |||||
| Sp. nov | Valid | Audo & Schweigert | A member of the family Coleiidae. | |||||
| Sp. nov | Disputed | Schweitzer et al. | A crab belonging to the family Prosopidae. Klompmaker et al. (2020) considered it to be a junior synonym of Europrosopon aculeatum (von Meyer, 1857).[78] | |||||
| Sp. nov | Valid | De Angeli & Alberti | ||||||
| Gen. et sp. nov | Valid | Heard in Heard, de Lourdes Serrano-Sánchez & Vega | Early Miocene | A member of Tanaidacea belonging to the group Tanaidomorpha. Genus includes new species P. minutus. | ||||
| Sp. nov | Valid | Ossó et al. | Margas de Forcall Formation | A crab. | ||||
| Sp. nov | Valid | Robin et al. | A species of Romaleon. | |||||
| Gen. et sp. nov | Valid | Frantescu et al. | A member of Glypheoidea belonging to the family Mecochiridae. Genus includes new species R. lophia. | |||||
| Gen. et sp. nov | Valid | Prado & Luque in Prado et al. | Early Cretaceous (late Aptian–early Albian) | A crab belonging to the group Heterotremata, possibly a member of the family Eogeryonidae. The type species is R. salesi. | ||||
| Gen. et sp. nov | Valid | Karasawa | Lower Sandstone Member of the Bihoku Group | A crab belonging to the family Varunidae. The type species is S. kogisorum. | ||||
| Sp. nov | Valid | Clark, Miller & Ross | A eumalacostracan crustacean similar to Tealliocaris and Pseudogalathea. | |||||
| Sp. nov | Valid | Clark, Miller & Ross | A eumalacostracan crustacean similar to Tealliocaris and Pseudogalathea. | |||||
| Gen. et sp. nov | Valid | Saraiva, Pinheiro & Santana | A member of the family Luciferidae. Genus includes new species S. marcosi. | |||||
| Sp. nov | Valid | Schweitzer et al. | A crab belonging to the family Tanidromitidae. | |||||
| Gen. et comb. nov | Valid | Pasini & Garassino | Early Miocene – early Pleistocene | A crab belonging to the family Raninidae. The type species is "Ranina" propinqua Ristori (1891). | ||||
| Sp. nov | Valid | Arano-Ruiz et al. | A member of the family Raninidae. | |||||
| Gen. et sp. nov | Valid | Beschin, Busulini & Tessier in Beschin et al. | A crab, a member of the family Leucosiidae. The type species is Z. vicetinus. |
Ostracods
[edit]| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Sp. nov | Valid | Forel & Grădinaru | ||||||
| Sp. nov | Valid | Crasquin, Sciuto & Reitano | ||||||
| Sp. nov | Valid | Teterina | A member of the family Candonidae. | |||||
| Sp. nov | Valid | Stocker et al. | Carboniferous (Moscovian) | A member of Podocopa belonging to the order Beyrichiocopida and the family Aechminidae. | ||||
| Sp. nov | Valid | Lajblová & Kraft | Králův Dvůr Formation | A member of the family Aechminidae. | ||||
| Sp. nov | Valid | Yasuhara et al. | ||||||
| Sp. nov | Valid | Leite et al. | ||||||
| Sp. nov | Valid | Sousa, Carvalho & Ferreira | ||||||
| Sp. nov | Valid | Yang et al. | Quaternary | Qaidam Basin | A member of the family Cyprididae. | |||
| Sp. nov | Valid | Crasquin, Sciuto & Reitano | A member of Podocopa belonging to the family Bairdiidae. Originally tentatively assigned to the genus Anchistrocheles, but subsequently transferred to the genus Histriabairdia by Forel & Grădinaru (2020).[94] | |||||
| Sp. nov | Valid | Franz, Ebert & Stulpinaite | Middle Jurassic (Aalenian and Bajocian) | Upper Opalinuston Formation | A member of the family Cytheruridae. | |||
| Sp. nov | Valid | Ayress & Gould | Åsgard Formation | A member of Podocopida belonging to the group Bairdiocopina and the family Bairdiidae. | ||||
| Sp. nov | Valid | Forel & Grădinaru | ||||||
| Sp. nov | Valid | Forel & Grădinaru | ||||||
| Nom. nov | Valid | Forel & Grădinaru | ||||||
| Sp. nov | Valid | Crasquin, Sciuto & Reitano | ||||||
| Sp. nov | Valid | Tanaka in Tanaka et a. | Ryozensan Limestone Formation | |||||
| Sp. nov | Valid | Tanaka in Tanaka et a. | Ryozensan Limestone Formation | |||||
| Sp. nov | Valid | Forel in Forel, Ozsvárt & Moix | A member of the family Bairdiidae. | |||||
| Sp. nov | Valid | Lajblová & Kraft | Králův Dvůr Formation | A member of the family Aparchitidae. | ||||
| Sp. nov | Valid | Forel in Ketmuangmoon et al. | ||||||
| Sp. nov | Valid | Gonta & Kanygin | Late Ordovician | A member of Leperditellocopida belonging to the family Bolliidae. | ||||
| Sp. nov | Valid | Barros & Piovesan in Barros, Piovesan & Agostinho | A member of Podocopida belonging to the family Bythocytheridae. | |||||
| Sp. nov | Valid | Franz, Ebert & Stulpinaite | A member of the family Healdiidae. | |||||
| Sp. nov | Valid | Dykan in Dykan et al. | A member of the family Cytherideidae. | |||||
| Gen. et sp. nov | Valid | Gonta & Kanygin | Late Ordovician | Ust'-Stolbovaya Formation | A member of Hollinocopida belonging to the family Egorovellidae. The type species is C. rugula. | |||
| Sp. nov | Valid | Gonta & Kanygin | Late Ordovician | A member of Hollinocopida belonging to the family Tetradellidae. | ||||
| Sp. nov | Valid | Lajblová & Kraft | Králův Dvůr Formation | A member of the family Aechminidae. | ||||
| Sp. nov | Valid | Sousa, Carvalho & Ferreira | ||||||
| Sp. nov | Valid | Choi, Wang & Huh | ||||||
| Sp. nov | Valid | Sousa, Carvalho & Ferreira | ||||||
| Sp. nov | Valid | Cséfán & Tóth | ||||||
| Sp. nov | Ruiz, González-Regalado & Abad | A member of the family Cytherideidae. | ||||||
| Sp. nov | Valid | Dykan in Dykan et al. | A member of the family Cytherellidae. | |||||
| Sp. nov | Valid | Barros & Piovesan in Barros, Piovesan & Agostinho | Late Cretaceous (late Maastrichtian) | A member of the family Cytherellidae. | ||||
| Sp. nov | Valid | Barros & Piovesan in Barros, Piovesan & Agostinho | Late Cretaceous (late Maastrichtian) | A member of the family Cytherellidae. | ||||
| Sp. nov | Valid | Khosravi, Vaziri & Arab | ||||||
| Sp. nov | Valid | Khosravi, Vaziri & Arab | ||||||
| Sp. nov | Valid | Khosravi, Vaziri & Arab | ||||||
| Sp. nov | Valid | Franz, Ebert & Stulpinaite | A member of the family Cytheruridae. | |||||
| Nom. nov | Valid | Naumcheva | A replacement name for Darwinula acuta Mishina (1966). | |||||
| Nom. nov | Valid | Naumcheva | A replacement name for Darwinula mera Starozhilova (1967). | |||||
| Sp. nov | Valid | Gonta & Kanygin | Late Ordovician | A member of Hollinocopida belonging to the family Sylthiidae. | ||||
| Gen. et 3 sp. nov | Valid | Gonta & Kanygin | Late Ordovician | A member of Hollinocopida belonging to the family Piretellidae. The type species is D. hippocrepicus; genus also includes new species D. claviformis and D. costaventralis. | ||||
| Sp. nov | Valid | Gonta & Kanygin | Late Ordovician | A member of Leperditellocopida belonging to the family Schmidtellidae. | ||||
| Sp. nov | Valid | Yang et al. | Quaternary | Qaidam Basin | A member of the family Cyprididae. | |||
| Sp. nov | Valid | Bergue, Ramos & Maranhão | A member of the family Cyprididae. | |||||
| Sp. nov | Valid | Barros & Piovesan in Barros, Piovesan & Agostinho | Late Cretaceous (Maastrichtian) and Paleocene (Danian) | A member of Podocopida belonging to the family Cytheruridae. | ||||
| Sp. nov | Valid | Lajblová & Kraft | Králův Dvůr Formation | A member of the family Tvaerenellidae. | ||||
| Gen. et sp. nov | Valid | Gonta & Kanygin | Late Ordovician | A member of Hollinocopida belonging to the family Egorovellidae. The type species is G. signata. | ||||
| Sp. nov | Valid | Stocker et al. | Carboniferous (Moscovian) | A member of Podocopa belonging to the order Podocopida and the family Healdiidae. | ||||
| Sp. nov | Valid | Spadi, Gliozzi & Medici | Dunarobba Fossil Forest | |||||
| Sp. nov | Valid | Yang et al. | Quaternary | Qaidam Basin | A member of the family Cyprididae. | |||
| Sp. nov | Valid | Forel & Grădinaru | ||||||
| Sp. nov | Valid | Chitnarin in Ketmuangmoon et al. | ||||||
| Gen. et sp. et comb. nov | Valid | Tóth & Cséfán | Late Permian to Middle Jurassic (Bajocian) | A member of Myodocopa. The type species is H. retiferus; genus also includes "Cypridina" gussevaae Crasquin-Soleau & Baud (1998). | ||||
| Sp. nov | Valid | Franz, Ebert & Stulpinaite | A member of the family Cytheruridae. | |||||
| Sp. nov | Valid | Crasquin, Sciuto & Reitano | ||||||
| Sp. nov | Valid | Tanaka in Tanaka et a. | Ryozensan Limestone Formation | |||||
| Sp. nov | Valid | Forel & Grădinaru | ||||||
| Sp. nov | Valid | Franz, Ebert & Stulpinaite | A member of the family Progonocytheridae. | |||||
| Sp. nov | Valid | Barros & Piovesan in Barros, Piovesan & Agostinho | A member of Podocopida belonging to the family Trachyleberididae. | |||||
| Sp. nov | Valid | Dykan in Dykan et al. | ||||||
| Sp. nov | Valid | Gonta & Kanygin | Late Ordovician | A member of the family Piretellidae. | ||||
| Sp. nov | Valid | Forel in Ketmuangmoon et al. | ||||||
| Sp. nov | Valid | Forel & Grădinaru | ||||||
| Sp. nov | Valid | Forel & Grădinaru | ||||||
| Sp. nov | Valid | Forel & Grădinaru | ||||||
| Sp. nov | Valid | Forel & Grădinaru | ||||||
| Sp. nov | Valid | Tanaka in Tanaka et a. | Ryozensan Limestone Formation | |||||
| Sp. nov | Valid | Gonta & Kanygin | A member of Eridocopida belonging to the family Cryptophillidae. | |||||
| Sp. nov | Valid | Yasuhara et al. | ||||||
| Sp. nov | Valid | Yasuhara et al. | ||||||
| Sp. nov | Valid | Yasuhara et al. | ||||||
| Sp. nov | Valid | Tanaka in Tanaka et al. | A member of Podocopida belonging to the family Schizocytheridae. | |||||
| Sp. nov | Valid | Barros & Piovesan in Barros, Piovesan & Agostinho | A member of Podocopida belonging to the family Bairdiidae. | |||||
| Gen. et sp. nov | Valid | Tóth & Cséfán |
| A member of Myodocopa belonging to the family Entomozoidae. The type species is N. striata. | ||||
| Sp. nov | Valid | Salas et al. | Late Silurian | |||||
| Sp. nov | Valid | Tanaka in Tanaka et a. | Ryozensan Limestone Formation | |||||
| Sp. nov | Valid | Tanaka et al. | A member of Podocopida belonging to the family Schizocytheridae. | |||||
| Sp. nov | Valid | Yasuhara et al. | ||||||
| Sp. nov | Valid | Tóth & Cséfán | Buchenstein Formation | A member of Myodocopa. | ||||
| Sp. nov | Valid | Forel & Grădinaru | ||||||
| Sp. nov | Valid | Spadi, Gliozzi & Medici | Dunarobba Fossil Forest | |||||
| Sp. nov | Valid | Lajblová & Kraft | Králův Dvůr Formation | A member of the family Bolliidae. | ||||
| Sp. nov | Valid | Leite et al. | ||||||
| Sp. nov | Valid | Franz, Ebert & Stulpinaite | Middle Jurassic (Aalenian and Bajocian) | A member of the family Protocytheridae. | ||||
| Sp. nov | Valid | Tóth & Cséfán | A member of Myodocopa. | |||||
| Sp. nov | Valid | Franz, Ebert & Stulpinaite | A member of the family Polycopidae. | |||||
| Sp. nov | Valid | Ayress & Gould | ||||||
| Sp. nov | Valid | Bergue, Ramos & Maranhão | A member of the family Cyprididae. | |||||
| Sp. nov | Valid | Franz, Ebert & Stulpinaite | A member of the family Schulerideidae. | |||||
| Sp. nov | Valid | Franz, Ebert & Stulpinaite | A member of the family Cytheruridae. | |||||
| Sp. nov | Valid | Franz, Ebert & Stulpinaite | A member of the family Progonocytheridae. | |||||
| Sp. nov | Valid | Barros & Piovesan in Barros, Piovesan & Agostinho | Late Cretaceous (late Maastrichtian) and Paleocene (early Danian) | A member of Podocopida belonging to the family Trachyleberididae. | ||||
| Sp. nov | Valid | Lajblová & Kraft | Králův Dvůr Formation | A member of the family Aechminidae. | ||||
| Sp. nov | Valid | Lajblová & Kraft | Králův Dvůr Formation | A member of the family Aechminidae. | ||||
| Sp. nov | Valid | Yang et al. | Quaternary | Qaidam Basin | A member of the family Cyprididae. | |||
| Sp. nov | Valid | Tanaka in Tanaka et a. | Ryozensan Limestone Formation | |||||
| Sp. nov | Valid | Lajblová & Kraft | Králův Dvůr Formation | A member of the family Rectellidae. | ||||
| Sp. nov | Valid | Gonta & Kanygin | Late Ordovician | A member of Hollinocopida belonging to the family Tetradellidae. | ||||
| Sp. nov | Valid | Gonta & Kanygin | Late Ordovician | A member of Hollinocopida belonging to the family Tetradellidae. | ||||
| Sp. nov | Valid | Gonta & Kanygin | Late Ordovician | A member of Leperditellocopida belonging to the family Bolliidae. | ||||
| Sp. nov | Valid | Lajblová & Kraft | Králův Dvůr Formation | A member of the family Spinigeritidae. | ||||
| Gen. et sp. nov | Valid | Siveter et al. | A member of Myodocopida belonging to the family Cylindroleberididae. The type species is S. aurita. | |||||
| Gen. et sp. nov | Valid | Yasuhara et al. | Genus includes new species S. hunti. | |||||
| Sp. nov | Valid | Leite et al. | ||||||
| Sp. nov | Valid | Yang et al. | Quaternary | Qaidam Basin | A member of the family Cyprididae. | |||
| Sp. nov | Valid | Forel in Ketmuangmoon et al. | ||||||
| Sp. nov | Valid | Sciuto et al. | Miocene (Messinian) to early Pleistocene) | A member of Podocopida belonging to the family Hemicytheridae. | ||||
| Sp. nov | Valid | Yasuhara et al. | ||||||
| Gen. et 2 sp. nov | Valid | Song & Gong | Late Devonian | Gelaohe Formation | A member of Podocopida belonging to the superfamily Bairdiocypridoidea and the family Bairdiocyprididae. The type species is W. dushaniensis; genus also includes W. bailouiensis. | |||
| Sp. nov | Valid | Lajblová & Kraft | Králův Dvůr Formation | A member of the family Bolliidae. | ||||
| Sp. nov | Valid | Yasuhara et al. |
Other crustaceans
[edit]| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Valid | Geyer & Kelber | A clam shrimp. | |||||
| Sp. nov | Valid | Geyer & Kelber | A clam shrimp. | |||||
| Sp. nov | Niu in Lu et al. | A diplostracan belonging to the family Leaiidae. | ||||||
| Sp. nov | Valid | Kočí et al. | Middle Eocene | A barnacle. | ||||
| Gen. et comb. nov | Valid | Bittencourt et al. | A clam shrimp; a new genus for "Pseudestheria" abaetensis Cardoso (1971). | |||||
| Sp. nov | Niu in Lu et al. | A clam shrimp belonging to the family Euestheriidae. | ||||||
| Gen. et sp. nov | Valid | Mychko & Alekseev | A member of Cyclida. Genus includes new species S. juliae. | |||||
| Gen. et sp. nov | Valid | Gueriau, Rabet & Du Tien Hat | A clam shrimp belonging to the group Vertexioidea. The type species is U. bounonensis. | |||||
| Gen. et comb. nov | Valid | Mychko & Alekseev | A member of Cyclida. Genus includes "Cyclus" miloradovitchi Kramarenko (1961). | |||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. | ||||||
| Sp. nov | Niu in Niu & Xin | A clam shrimp. |
Insects
[edit]Trilobites
[edit]Research
[edit]- Frontal auxiliary impressions (muscle scars on the glabella) are described in Mesolenellus hyperboreus from Cambrian Stage 4 strata of North Greenland by Lerosey-Aubril & Peel (2018), providing new information on the evolution of a pouch-like digestive organ with powerful extrinsic muscles (i.e. a crop) in trilobites.[124]
- A study on complete moulted exoskeletons of Estaingia bilobata and Redlichia takooensis from the Cambrian Emu Bay Shale (Australia), and their implications for inferring the course of moulting in trilobites, is published by Drage et al. (2018).[125]
- A study assessing the morphological differences within and among three populations of Oryctocephalus indicus from the United States, Siberia and China, using a new method of analysing small morphological features, is published by Esteve et al. (2018).[126]
- A study on early post-embryonic developmental stages of the Cambrian trilobite Ellipsostrenua granulosa is published by Laibl, Cederström & Ahlberg (2018).[127]
- A study on the ontogeny of the co-occurring shumardiid trilobites Akoldinioidia latus and Koldinioidia choii from the middle Furongian Hwajeol Formation (South Korea) is published by Park (2018).[128]
- Remains of the digestive system of a specimen of the bathycheilid species Prionocheilus vokovicensis from the Ordovician Šárka Formation (Czech Republic) are described by Fatka & Budil (2018).[129]
- A study on the postembryonic development of Dalmanitina, based on a large sample of specimens from the Upper Ordovician Prague Basin, is published by Drage, Laibl & Budil (2018).[130]
- A large and almost complete dorsal exoskeleton of a trilobite referred to the species Dipleura dekayi is described from the Devonian Floresta Formation (Colombia) by Carvalho (2018).[131]
- A study on the phylogenetic relationships of species belonging to the genus Metacryphaeus is published by Carbonaro et al. (2018), who also perform a palaeobiogeographic analysis for the distribution of the genus.[132]
New taxa
[edit]| Name | Novelty | Status | Authors | Age | Unit | Location | Notes | Images |
|---|---|---|---|---|---|---|---|---|
| Sp. nov | Valid | Smith, Paterson & Brock | ||||||
| Gen. et comb. nov | Valid | Müller & Hahn | A member of the family Phillipsiidae belonging to the subfamily Weaniinae. The type species is "Carbonocoryphe (Winterbergia)" amphiro Hahn, Hahn & Müller (1996); genus also includes "Carbonocoryphe (Winterbergia)" sporada Hahn, Hahn & Müller (2007). | |||||
| Sp. nov | Valid | Meroi Arcerito et al. | ||||||
| Sp. nov | Valid | Crônier et al. | Devonian | Chefar el Ahmar Formation | ||||
| Sp. nov | Valid | Álvaro & Vizcaïno | Bailiella Formation | A member of the family Conocoryphidae. | ||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Van Viersen & Vanherle | Moulin Liénaux Formation | A member of the family Acastidae. | ||||
| Sp. nov | Valid | Van Viersen & Vanherle | Grands Breux Formation | A member of the family Acastidae. | ||||
| Subsp. nov | Valid | Van Viersen & Vanherle | Grands Breux Formation | A member of the family Acastidae. | ||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Flick | A member of Proetida belonging to the family Tropidocoryphidae. | |||||
| Sp. nov | Valid | Webster & Hageman | Cambrian Series 2 (Montezuman) | Murray Shale | ||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Feist & Belka | ||||||
| Sp. nov | Valid | Flick | A member of Proetida belonging to the family Tropidocoryphidae. | |||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Van Viersen & Vanherle | Grands Breux Formation | A member of the family Aulacopleuridae. | ||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Gen. et 3 sp. et comb. nov | Valid | McAdams, Adrain & Karim | Early Ordovician | The type species is D. humphriesi; genus also includes new species D. eppersoni and D. inglei, as well as D. heimbergi. | ||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Mychko & Alekseev | ||||||
| Sp. nov | Valid | Chen et al. | An oryctocephalid trilobite. | |||||
| Subsp. nov | Valid | Krylov | Ordovician (Dapingian) | |||||
| Gen. et comb. nov | Valid | Müller & Hahn | A member of the family Phillipsiidae belonging to the subfamily Archegoninae. The type species is "Phillipsia" granulifera Holzapfel (1889); genus also includes E. aithyia (Hahn, Hahn & Müller, 2001), E. bathapoikos (Hahn, Hahn & Müller, 1998) and possibly "Proliobole" krambergensis Hahn, Hahn & Müller (1996). | |||||
| Sp. nov | Valid | Crônier et al. | A member of Harpetida belonging to the family Harpetidae. Subsequently transferred to the genus Pinnuloharpes by Johnson (2024).[147] | |||||
| Sp. nov | Valid | Smith, Paterson & Brock | ||||||
| Sp. nov | Valid | McAdams, Adrain & Karim | Early Ordovician | |||||
| Sp. nov | Valid | McAdams, Adrain & Karim | Early Ordovician | |||||
| Sp. nov | Valid | McAdams, Adrain & Karim | Early Ordovician | |||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Alberti | ||||||
| Gen. et comb. et 2 sp. nov | Valid | Müller & Hahn | A member of the subfamily Cystispininae. The type species is "Tawstockia" martini Müller (2004); genus also includes new species L. sauerlandica and L. weberi. | |||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Subsp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Feist & Belka | ||||||
| Sp. nov | Valid | Smith, Paterson & Brock | ||||||
| Gen. et sp. nov | Valid | Peng et al. | A member of the family Oryctocephalidae. Genus includes new species L. paiwuensis. | |||||
| Gen. et sp. nov | Valid | Álvaro et al. | A saukiandid trilobite. Genus includes new species L. matiasi. | |||||
| Gen. et 2 sp. nov | Valid | Van Viersen & Vanherle | Bovesse Formation | A member of the family Phacopidae. The type species is M. renateae; genus also includes M. monachus. | ||||
| Sp. nov | Valid | Álvaro & Vizcaïno | Bailiella Formation | A member of the family Idahoiidae. | ||||
| Gen. et 2 sp. nov | Valid | McAdams, Adrain & Karim | Early Ordovician | The type species is M. milsteadi; genus also includes M. knoxi. | ||||
| Sp. nov | Valid | Crônier et al. | ||||||
| Gen. et comb. nov | Valid | Krylov | The type species is "Illaenus" excellens Holm (1886); genus also includes Neoillaenus atavus (Eichwald, 1857), N. oblongatus (Angelin, 1854), N. kukersianus (Holm, 1886), N. itferensis (Holm, 1886) and N. praecurriens (Jaanusson, 1957). | |||||
| Sp. nov | Valid | Ghobadi Pour et al. | A member of the family Phacopidae. | |||||
| Sp. nov | Valid | Álvaro et al. | A saukiandid trilobite. | |||||
| Sp. nov | Valid | Krylov | Early Ordovician | |||||
| Sp. nov | Valid | Krylov | Ordovician (Darriwilian) | |||||
| Gen. et sp. nov | Valid | Álvaro et al. | A saukiandid trilobite. Genus includes new species P. tiergaensis. | |||||
| Sp. nov | Valid | Crônier et al. | Devonian | Chefar el Ahmar Formation | ||||
| Sp. nov | Valid | Basse & Müller | Devonian | |||||
| Sp. nov | Valid | Basse & Müller | Devonian | |||||
| Sp. nov | Valid | Basse & Müller | Devonian | |||||
| Sp. nov | Valid | Basse & Müller | Devonian | |||||
| Sp. nov | Valid | Basse & Müller | Devonian | Leun Limestone | ||||
| Sp. nov | Valid | Feist & Weyer | ||||||
| Sp. nov | Valid | Feist & Weyer | ||||||
| Sp. nov | Valid | Van Viersen & Vanherle | Champ Broquet Formation | A member of the family Proetidae. | ||||
| Sp. nov | Valid | Van Viersen & Vanherle | Bovesse Formation | A member of the family Acastidae. | ||||
| Sp. nov | Valid | Álvaro et al. | ||||||
| Gen. et comb. nov | Valid | Basse & Müller | Devonian (Emsian) | A new genus for "Phaetonellus" bondarevi Spassky (1989). | ||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Krylov | Ordovician (Katian) | |||||
| Sp. nov | Valid | Sundberg | A member of Ptychopariida belonging to the group Ptychopariacea. | |||||
| Subsp. nov | Valid | Müller & Hahn | ||||||
| Sp. nov | Valid | Stocker et al. | ||||||
| Gen. et sp. nov | Valid | Smith, Paterson & Brock | Genus includes new species T. ranfordi. | |||||
| Gen. et sp. nov | Valid | McAdams, Adrain & Karim | Early Ordovician | The type species is T. jeneki. | ||||
| Gen. et comb. et sp. nov | Valid | Müller & Hahn | A member of the subfamily Cystispininae. The type species is "Xenadoche" kalliroe Hahn, Hahn & Müller (1996); genus also includes X. agenor (Hahn, Hahn & Müller, 2000), X. elissa (Hahn, Hahn & Müller, 2000) and X. medusa (Hahn, Hahn & Müller, 1999), as well as new species X. xenios. |
Other arthropods
[edit]Research
[edit]- A study on the external and internal anatomy and possible lifestyle of Waptia fieldensis, based on revision of all available specimens available from the repositories in the National Museum of Natural History and the Royal Ontario Museum, is published by Vannier et al. (2018).[156]
- A study on the lateral tail flexibility in the eurypterid Slimonia acuminata published by Persons & Acorn (2017)[157] is criticized by Lamsdell, Marshall & Briggs (2018);[158] Persons (2018) defends his original conclusions on the basis of a study of additional eurypterid specimens.[159]
- A study on the microstructure of gnathobasic spines on the coxa of extant Atlantic horseshoe crab, Silurian eurypterid Eurypterus tetragonophthalmus and Cambrian artiopodan Sidneyia inexpectans is published by Bicknell et al. (2018).[160]
- A study on the mechanical performance of the feeding appendages of Sidneyia inexpectans, based on comparisons with extant Atlantic horseshoe crab, is published by Bicknell et al. (2018).[161]
- Bicknell, Pates & Botton (2018) report abnormalities in specimens of extant (Limulus polyphemus, Tachypleus tridentatus) and fossil (Euproops danae, Mesolimulus walchi) horseshoe crabs, and compare injuries to horseshoe crab cephalothoraces to those affecting Cambrian trilobites to explore the possible timing of the injuries.[162]
- Sánchez-García et al. (2018) report the presence of probable male clasping organs for courtship and securing the female during copulation in the springtail Pseudosminthurides stoechus and an aggregation of up to 45 specimens of the springtail Proisotoma communis from the Cretaceous amber from Spain.[163]
- Closely associated arthropleurid trackways, interpreted as evidence of arthropleurid mating behaviour, are described from the Lower Carboniferous of Fife (Scotland, United Kingdom) by Whyte (201